Mathematics, 04.08.2021 01:00 datgamer13
A florist determines the probabilities for the number of flower arrangements they deliver each day. x 19 20 21 22 23 P ( x ) 0.21 0.23 0.30 0.12 0.14 Find the mean, variance, and standard deviation of the distribution rounded to 4 decimal places.
Answers: 2
Mathematics, 21.06.2019 22:00
1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25
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Mathematics, 21.06.2019 22:00
State one method by which you can recognize a perfect square trinomial.
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Mathematics, 22.06.2019 01:00
Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units
Answers: 3
Mathematics, 22.06.2019 01:30
In the figure below, m∠r is 60°, and m∠t is 120°. what is m∠q? a. 60° b. 30° c. 120° d. 54
Answers: 1
A florist determines the probabilities for the number of flower arrangements they deliver each day....
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